--- product_id: 185719723 title: "AC Infinity Duct Adapter, 8” to 6” Ducting Reducer Increaser Cone for Grow Tent Bathroom Kitchen Ventilation Systems" brand: "ac infinity" price: "£47.96" currency: GBP in_stock: true reviews_count: 13 category: "Ac Infinity" url: https://www.desertcart.co.uk/products/185719723-ac-infinity-duct-adapter-8-to-6-ducting-reducer-increaser store_origin: GB region: United Kingdom --- # 8" to 6" duct size adapter High-temp zinc coating finish Galvanized steel corrosion-resistant body AC Infinity Duct Adapter, 8” to 6” Ducting Reducer Increaser Cone for Grow Tent Bathroom Kitchen Ventilation Systems **Brand:** ac infinity **Price:** £47.96 **Availability:** ✅ In Stock ## Summary > 🔧 Upgrade your airflow game with precision and durability! ## Quick Answers - **What is this?** AC Infinity Duct Adapter, 8” to 6” Ducting Reducer Increaser Cone for Grow Tent Bathroom Kitchen Ventilation Systems by ac infinity - **How much does it cost?** £47.96 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.co.uk](https://www.desertcart.co.uk/products/185719723-ac-infinity-duct-adapter-8-to-6-ducting-reducer-increaser) ## Best For - ac infinity enthusiasts ## Why This Product - Trusted ac infinity brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Secure Grip Design:** Raised lips ensure a tight, slip-resistant fit on smaller duct openings - • **Compact & Easy Install:** 8.38-inch length fits effortlessly into existing ductwork setups - • **Durable Galvanized Steel:** Built to resist corrosion and withstand high temperatures for long-lasting use - • **Seamless Airflow Connection:** Maintains optimal CFM efficiency between mismatched duct sizes - • **Versatile Ventilation Solution:** Perfect for grow tents, bathroom fans, dust collectors, and kitchen vents ## Overview The AC Infinity Duct Adapter efficiently bridges 8-inch and 6-inch duct openings with a corrosion-resistant galvanized steel body and zinc coating. Designed for professional-grade ventilation systems, it ensures secure, slip-free connections while maintaining airflow efficiency across grow tents, bathrooms, kitchens, and dust collection setups. ## Description A ducting cone designed for adapting ductwork to equipment like bathroom fans and dust collectors. Maintains airflow efficiency by creating a seamless connection between two different sized duct openings. Raised lips on the smaller opening for extra grip on ducting or your equipment’s duct opening. Galvanized steel body that is corrosion-resistant and can withstand high temperatures. Adapts 8 inches to 6 inches | Product Length: 8.38 inches | Finish: Zinc Coating Product Description A ventilation ducting tool designed to fit different-sized duct hole openings together, connecting smaller ducting to bigger fans and vice versa. Using this duct adapter to connect your ventilation fans to your ducting will help retain your system’s CFM efficiency. It features a raised lip on the reducer end to provide extra grip on ducting or duct openings, while the increaser end features a flat brim to achieve a flush fit. The galvanized steel body is finished with a zinc coating that aids in its resistance to corrosion and high temperatures. Applications The duct adapter is a versatile tool that can be retrofitted with a variety of different-sized ducting and fans. It is commonly paired with bathroom exhaust fans and dust collection units to adapt them to smaller ductwork as a reducer. Other adaptation projects include range hoods, tumble dryers, grow tent ventilation systems, and connecting smaller ducts to bigger ducts. Product Identification Manufacturer AC Infinity Inc. Product Name Duct Reducer 8" to 6" Adapter Product Model AC-SDR86 UPC Code 819137021341 Product and Mounting Dimensions Duct Opening Sizes 8" to 6" Product Length ##.## in. (##.# cm) Product Performance and Technical Specs Construction Galvanized Steel Color Metallic Silver Finish Zinc Coating Review: Bought for my GF... - Got this for my GF... Glowforge, not girlfriend. While it's not an exact tight fit with the tubing for the external fan (also bought separate) If you throw some tape on there it works great. And MUCH cheaper than those that are made specifically for the external fan. Review: Perfect fit for bathroom fan. - Perfect fit for bathroom fan. Slides right in. 6" to 4" Adapter. ## Features - A ducting cone designed for adapting ductwork to equipment like bathroom fans and dust collectors. - Maintains airflow efficiency by creating a connection between two different sized duct openings. - Raised lips on the smaller opening for extra grip on ducting or your equipment's duct opening. - Galvanized steel body that is corrosion-resistant and can withstand high temperatures. - Adapts 8 inches to 6 inches | Product Length: 8.38 inches | Finish: Zinc Coating ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0842XG5PK | | Best Sellers Rank | #37,936 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #45 in HVAC Ducting | | Brand | AC Infinity | | Brand Name | AC Infinity | | Color | Metallic Silver | | Customer Reviews | 4.5 out of 5 stars 1,276 Reviews | | Item Weight | 0.68 Kilograms | | Manufacturer | AC Infinity | | Manufacturer Part Number | AC-SDR86 | | Material | Galvanized Steel | | Material Type | Galvanized Steel | | Model Number | AC-SDR86 | | Number of Pieces | 1 | | Size | 8" to 6" | | UPC | 819137021341 | | Unit Count | 1 Count | ## Product Details - **Brand:** AC Infinity - **Color:** Metallic Silver - **Item Weight:** 0.68 Kilograms - **Manufacturer:** AC Infinity - **Material:** Galvanized Steel - **Number of Pieces:** 1 - **Size:** 8" to 6" - **UPC:** 819137021341 ## Images ![AC Infinity Duct Adapter, 8” to 6” Ducting Reducer Increaser Cone for Grow Tent Bathroom Kitchen Ventilation Systems - Image 1](https://m.media-amazon.com/images/I/410VHPIq6KS.jpg) ![AC Infinity Duct Adapter, 8” to 6” Ducting Reducer Increaser Cone for Grow Tent Bathroom Kitchen Ventilation Systems - Image 2](https://m.media-amazon.com/images/I/51b+0PkHI5L.jpg) ![AC Infinity Duct Adapter, 8” to 6” Ducting Reducer Increaser Cone for Grow Tent Bathroom Kitchen Ventilation Systems - Image 3](https://m.media-amazon.com/images/I/51z2ReV+Q+S.jpg) ![AC Infinity Duct Adapter, 8” to 6” Ducting Reducer Increaser Cone for Grow Tent Bathroom Kitchen Ventilation Systems - Image 4](https://m.media-amazon.com/images/I/615hnGGf-8S.jpg) ## Available Options This product comes in different **Size** options. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Bought for my GF... *by K***N on August 1, 2022* Got this for my GF... Glowforge, not girlfriend. While it's not an exact tight fit with the tubing for the external fan (also bought separate) If you throw some tape on there it works great. And MUCH cheaper than those that are made specifically for the external fan. ### ⭐⭐⭐⭐⭐ Perfect fit for bathroom fan. *by A***R on February 24, 2026* Perfect fit for bathroom fan. Slides right in. 6" to 4" Adapter. ### ⭐⭐⭐⭐⭐ Works well. *by J***. on July 20, 2025* Great for adjusting flexible hosing to a large air handler unit. ## Frequently Bought Together - AC Infinity Duct Adapter, 8” to 6” Ducting Reducer Increaser Cone for Grow Tent Bathroom Kitchen Ventilation Systems - AC Infinity CLOUDLINE S8 PRO, Quiet 8” Inline Duct Fan with 10-Speed Controller, EC-Motor Ventilation Exhaust Fan for Heating Cooling Booster, Grow Tents, Hydroponics - AC Infinity Noise Reduction Clamp 8-Inch, Duct Coupler with Stainless Steel Clamps, Flexible Rubber Coupling for Inline Fans and Carbon Filters in Growing and HVAC --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.co.uk/products/185719723-ac-infinity-duct-adapter-8-to-6-ducting-reducer-increaser](https://www.desertcart.co.uk/products/185719723-ac-infinity-duct-adapter-8-to-6-ducting-reducer-increaser) --- *Product available on Desertcart United Kingdom* *Store origin: GB* *Last updated: 2026-05-15*